Π Π2X K3 23 = +3  ∈ = − + C

Question

2 ,π π2x k3 23 = +3 2 , ∈ = − +    C.  2 ,k Zx= +π3 k π k∈Z D. Đề 2

Answer

2 ,π π2x k3 23 = +3 2 , ∈ = − +    C.  2 ,k Zx= +π3 k π k∈Z D. Đề 2